Science

Thursday, 12 March 2026
13 facts about tears
13 facts about tears
Multipurpose liquid
Associated with emotions, tears are a product of lacrimal glands, found in the eyes of most terrestrial vertebrates. Although their primary function i ...

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NASA
The Space Shuttle program launched on April 12th, 1981, was the fourth crewed program in NASA's history.
It launched a total of 135 missions and was the first program to reuse a spacecraft. Its main goal w ...
Cosmos
We are currently living in the fourth stage of the universe’s development.
It resembles the one 12.8 billion years ago and will continue to look like this for the next billions of years.
Silver
The use of silver is very wide, mainly as a precious metal.
925 silver alloyed with copper is used to make jewelry, dishes and cutlery, medals, and musical inst ...
Phobos
Phobos is a very small moon. Its dimensions are 26.8 x 21 x 18.4 km.
Fungi
You can pay a fortune for them.
The most valuable mushrooms are white truffles. PLN 330.000 ($82.130,96) was paid for a specimen weighing 1.5 kg.
Cosmos
The development of the universe can be divided into five stages.
The very early universe lasted only a picosecond, during which time the laws of physics that we know today had not yet developed.
Milky Way
It was only in 1610 that Galileo discovered that the Milky Way was made of stars.
Previously, it was believed that it could be part of the Earth's atmosphere or underexposed stars (it was believed that stars shine with light reflected from the Sun) that were in the Earth's shadow.
Nicotine
Tobacco, whose leaves are the source of nicotine, was cultivated by people living in America two thousand years before its discovery by Columbus.
It came to Europe in the 16th century and both tobacco and the nicotine it contained were originally ...
Anorexia Nervosa
Anorexia is considered a disease of psychological origin.
The sufferer is usually found to have malnutrition of various degrees, with secondary hormonal and metabolic changes and dysfunction.
Amber
Amber was used for incense.
It was used both during religious ceremonies and in hospitals because it was believed to accelerate recovery and help to concentrate.